if_tun_h="linux/if_tun.h",
if_tun_h="no")
if test $if_tun_h = no; then
- AC_MSG_RESULT(none)
+ tinc_cv_linux_if_tun_h=none
else
- AC_DEFINE(HAVE_TUNTAP)
- AC_DEFINE_UNQUOTED(LINUX_IF_TUN_H, "$if_tun_h")
- AC_SUBST(LINUX_IF_TUN_H)
- AC_MSG_RESULT($if_tun_h)
+ tinc_cv_linux_if_tun_h=$if_tun_h
fi
- AC_SUBST(HAVE_TUNTAP)
])
+
+if test $tinc_cv_linux_if_tun_h != none; then
+ AC_DEFINE(HAVE_TUNTAP)
+ AC_DEFINE_UNQUOTED(LINUX_IF_TUN_H, "$tinc_cv_linux_if_tun_h")
+ AC_SUBST(LINUX_IF_TUN_H)
+fi
+AC_SUBST(HAVE_TUNTAP)
])